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STD 7-segment 4-digit max7219 arduino clock
7-segment 4-digit max7219 arduino clock
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Update time：
2020-11-07 07:17:58
Creation time：
2019-11-29 14:25:29
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | Header-Female-2.54_1x2 | P1 | HDR-1X2/2.54 | 1 |
| 2 | HW-045 DC-DC CONVERTER | U11 | HW-045 DC-DC CONVERTER | 1 |
| 3 | ULN2803APG | U6 | DIP-18 | 1 |
| 4 | 10u | C2,C4 | CAP-D8.0XF3.5 | 2 |
| 5 | ARDUINO_NANO | U1 | ARDUINO_NANO | 1 |
| 6 | 204-10SURD/S530-A3 | LED5,LED6 | LED-3MM/2.54 | 2 |
| 7 | 100n | C5,C8,C7,C3,C1,C6 | RAD-0.1 | 6 |
| 8 | 1k | R9,R4,R5,R6,R7,R8,R3,R10 | AXIAL-0.3 | 8 |
| 9 | 100R | R2 | AXIAL-0.3 | 1 |
| 10 | 47k | R1 | AXIAL-0.3 | 1 |
| 11 | UDN2981A-T | U4 | DIP-18_L22.8-W6.4-P2.54-LS9.4-BL | 1 |
| 12 | Tiny RTC I2C module | U2 | TINY RTC I2C MODULES | 1 |
| 13 | MOMENTARY | SW1,SW2 | SPST | 2 |
| 14 | MAX7219 | U3 | DIL24 | 1 |
| 15 | SN74HC540N | U5 | DIP20 | 1 |
| 16 | 2.3 INCH 7-SEGMENT DISPLAY CC | U10,U9,U8,U7 | 2.3 INCH 7-SEGMENT DISPLAY CC | 4 |
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